@book{90120,
	author = {Bartsch, Walter, and Saénz de Magarola, Carlos,},
	title = {Herramientas, máquinas, trabajo /},
	publisher = {Editorial Reverté,},
	year = {[2021]},
	address = {Barcelona :},
	note = {Includes index.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/103320/}
}